Subtraction with Regrouping: 846 − 268

Subtraction with Regrouping Calculator
Minuend
Subtrahend

What is 846 − 268?

Answer

846 − 268 =
578

With regrouping: 2 borrows — from the tens and the hundreds

846 − 268 in a column. Above the columns: the values after borrowing — a crossed-out digit is replaced by the number above it; +10 marks a column that received a borrowed ten.
713+10
8(was 8, now 7)4(was 4, now 13)6 (was 6, now 16)
−268
578

Column by column: 846 − 268

  • Ones: 6 is less than 8 — borrow 1 ten: tens 4 → 3; 16 − 8 = 8 — write 8.
  • Tens: after borrowing, 3; 3 is less than 6 — borrow 1 hundred: hundreds 8 → 7; 13 − 6 = 7 — write 7.
  • Hundreds: after borrowing, 7; 7 − 2 = 5 — write 5.

846 − 268 = 578

Second check: 846 − 578 = 268

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See Also

FAQ

What is 846 − 268?

846 − 268 = 578

How do you check that 846 − 268 = 578?

Add the difference and the subtrahend: 578 + 268 = 846. Getting the minuend back means the difference is right.

How many times do you borrow in 846 − 268?

2 borrows: each time the top digit was smaller than the one below it, 1 was borrowed from the column on the left.